Year per 1,000 uninfected population ages 15-24 1990 0.014119398377515182 1991 0.01593840814902674 1992 0.015924505618289356 1993 0.016000709858813276 1994 0.019015679809679595 1995 0.019641111848073118 1996 0.02530614709805315 1997 0.027700117041579035 1998 0.03142679537238577 1999 0.03328031533629664 2000 0.03847780555295086 2001 0.044871134966786415 2002 0.04946185434042665 2003 0.05147486781988423 2004 0.05274078018173424 2005 0.05000471576622158 2006 0.04524388625622185 2007 0.04227094383478624 2008 0.03788986226431598 2009 0.03411360867941348 2010 0.029013297442909546 2011 0.028857841415336326 2012 0.029583015556613274 2013 0.026395873408241215 2014 0.026217835452846446 2015 0.02863110588825504 2016 0.028500467401053303 2017 0.0282650189326576 2018 0.028784806625915493 2019 0.03119024078564803 2020 0.031030931309018933 2021 0.03167760708562909 2022 0.037044545181457354